The Koshal state movement is an effort by people of the Western Odisha region of India to secede from the state of Odisha on the basis of art, culture and language
Dakshin koshal (Koshal S) is part of kingdom of lord Raama, Later on it was given to his son Kush. Koushal is kingdom of king Dasarath(father of lord Raam), Koushal have two part one is North Koushal and others is South Koushal. As a Koushalite we should be proud of koushal and Rama. We should give presitge to RAMA.
Here is a article from the Internet,
Download Article About the Real Existence of Koshal